Pu, Jingwei, Zhongwei Zhang, Yaning Liu, and Kunyu Mao. “The Cultural Connotation of Pu’er Tea”. Frontiers in Humanities and Social Sciences 2, no. 10 (October 23, 2022): 172–177. Accessed June 24, 2026. https://bcpublication.org/index.php/FHSS/article/view/2466.